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https://issues.apache.org/jira/browse/LUCENE-9328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17107668#comment-17107668
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Mikhail Khludnev commented on LUCENE-9328:
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Finally, after sneaking [~romseygeek] hack for {{leafContext}} my patch passed
{{TestGroupingSearch}}. I'm too jealous to choose between two approaches.
I feel like my approach is fragile to ValueSource and Comparators invoking
{{dv.advance()}}. [^LUCENE-9328.patch] enforces the to use {{advanceExact()}}.
Following this idea might lead to extreme or revoking {{advance()}} from
DocValues in favor of {{advanceExact()}}.
Can we have more opinions/votes/ideas here?
> SortingGroupHead to reuse DocValues
> -----------------------------------
>
> Key: LUCENE-9328
> URL: https://issues.apache.org/jira/browse/LUCENE-9328
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/grouping
> Reporter: Mikhail Khludnev
> Assignee: Mikhail Khludnev
> Priority: Minor
> Attachments: LUCENE-9328.patch, LUCENE-9328.patch, LUCENE-9328.patch,
> LUCENE-9328.patch, LUCENE-9328.patch, LUCENE-9328.patch, LUCENE-9328.patch,
> LUCENE-9328.patch, LUCENE-9328.patch, LUCENE-9328.patch, LUCENE-9328.patch,
> LUCENE-9328.patch
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> That's why
> https://issues.apache.org/jira/browse/LUCENE-7701?focusedCommentId=17084365&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17084365
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